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SUCCESS STORY

Four

Four used Unified Attribution to align Snapchat optimization with MMP conversion data. The Buy Now, Pay Later app improved install efficiency, lowering CPI by 69.66% and reducing iOS CPI in Snap Ads Manager by 79.17%.

69.66%
Lower CPI with Unified Attribution campaigns on MMP 1

79.17%
Lower iOS CPI with Unified Attribution in Snap Ads Manager 2

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“Unified Attribution helped us align Snapchat optimization with the MMP conversion data we use to measure shopper acquisition, which improved CPI efficiency across campaigns.”


- Jeff Crooks, Head of Marketing, Four

Four improves app install efficiency with Unified Attribution

Four is a D2C financial brand built around flexibility and simplicity, and one of the fastest-growing fintech companies in the nation. Four pairs a lean, high-performing team with AI and automation to deliver exceptional results — an approach that extends to how it markets. A Buy Now, Pay Later app, Four lets shoppers split online purchases into four easy payments made every two weeks, using a one-time virtual card, with no credit needed. From a single app, shoppers browse hundreds of online retailers, track their orders, and get reminders before each payment is due. Unlike traditional lenders, Four recognized early that conventional financial advertising does not resonate with its shoppers. Its audience expects something that feels like a natural part of their feed, not an ad.

As Four looked to grow its shopper base, it needed Snapchat campaign optimization to line up with the conversion data in its mobile measurement partner.

Four used Unified Attribution to align Snapchat optimization with that MMP conversion data.

Aligning Snapchat optimization with MMP data

With Unified Attribution, Four optimized Snapchat campaigns using the conversion signals most relevant to its shopper-acquisition goals.

This created a more connected view of campaign performance. By bringing Snapchat optimization closer to MMP conversion data, Four could focus on improving cost per install.

Lowering CPI across key measurement views

Unified Attribution helped Four improve install efficiency across key reporting views. According to MMP data, Four saw a 69.66% lower CPI with Unified Attribution campaigns. 1

Snap Ads Manager reporting also showed stronger iOS efficiency, with Four achieving a 79.17% lower iOS CPI with Unified Attribution. 2

By using Unified Attribution to optimize toward MMP conversion data, Four improved CPI performance on Snapchat.

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References

1

Data from AppsFlyer SSOT. Spend-weighted eCPI on Unified Attribution iOS campaigns (June 1–23, 2026) vs. the Auto iOS campaign (March 1–May 31, 2026).

2

Data from Snap Ads Manager. Unweighted average cost per Unified Install on Unified Attribution iOS campaigns vs. cost per install on the Auto iOS campaign (May 1–June 23, 2026).

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Disclosure: Subject to eligibility and approval. Spending power not guaranteed. Platform charges and late fees may apply. Some retailers require a Four+ subscription. Not available in NM. https://www.paywithfour.com/legal/additional-disclosures

References
1

Data from AppsFlyer SSOT. Spend-weighted eCPI on Unified Attribution iOS campaigns (June 1–23, 2026) vs. the Auto iOS campaign (March 1–May 31, 2026).

2

Data from Snap Ads Manager. Unweighted average cost per Unified Install on Unified Attribution iOS campaigns vs. cost per install on the Auto iOS campaign (May 1–June 23, 2026).

0

Disclosure: Subject to eligibility and approval. Spending power not guaranteed. Platform charges and late fees may apply. Some retailers require a Four+ subscription. Not available in NM. https://www.paywithfour.com/legal/additional-disclosures